sit down
美[sit] vi.坐落；处在；（在…中）任职；（议会、委员会、法庭等）开会
vt.使就座
网络坐；下沉；静电感应晶体管；就座
1 . Teachers staged a sit -down protest in front of the president's office.
老师们在校长办公室门前举行了一场静坐抗议。
来自柯林斯例句
2 . Let's sit down and then you can say what's up.
咱们先坐下来，然后你把事情告诉我。
来自柯林斯例句
3 . We can't just sit by and watch you throw your life away.
我们不能眼睁睁地看着你毁掉自己的生活。
来自柯林斯例句
4 . Now sit down and make yourself comfortable. You must be very tired.
现在坐下来，让自己舒服些，你一定很累了。
来自柯林斯例句
5 . I've asked Mum to sit for us next Saturday.
我已经拜托妈妈下周六为我们临时照看一下孩子。
来自柯林斯例句
1.be seated
2.sit around, often unused;
The object sat in the corner
3.take a seat
4.be in session;
When does the court of law sit?
5.assume a posture as for artistic purposes;
We don't know the woman who posed for Leonardo so often
6.sit and travel on the back of animal, usually while controlling its motions;
She never sat a horse!
7.work or act as a baby-sitter;
I cannot baby-sit tonight; I have too much homework to do
8.show to a seat; assign a seat for;
The host seated me next to Mrs. Smith
静态感应晶体管SIT 静态感应晶体管SIT(StaticSIT Induction Transistor)诞生于1970年，实际上是一种结型场效应晶体管。将用于信息处理的小功率SIT器件的横向导电结构改为垂直导电结构，即可制成大功率的SIT器件。SIT是一种多子导电的器件，其工作频率与电力MOSFET相当，甚至超过电力MOSFET，而功率容量也比电力MOSFET大，因而适用于高频大功率场合，目前已在雷达通信设备、超声波功率放大、脉冲功率放大和高频感应加热等某些专业